Home / 125,376.54-172,974.22-82,379.19

Finding the Fourth Proportional to 125,376.54, 172,974.22 and 82,379.19

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Solution

The fourth proportional to 125,376.54, 172,974.22 and 82,379.19 is: 113,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,376.54 : 172,974.22 = 82,379.19 : x
  2. Step 2: Convert to fraction form
    125,376.54/172,974.22 = 82,379.19/x
  3. Step 3: Cross multiply
    125,376.54x = 172,974.22 × 82,379.19
  4. Step 4: Simplify right side
    125,376.54x = 14,249,476,134.48
  5. Step 5: Solve for x
    x = 14,249,476,134.48/125,376.54
  6. Step 6: Final answer
    x = 113,653.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.